<template>
  <div class='icons'>
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) of pages" :key="index">
    <div class="icon" v-for="item of page" :key="item.id">
     <div class="icon-img">
      <img class='icon-img-content' :src='item.imgUrl' alt="">
      </div>
      <p class="icon-desc">{{item.desc}}</p>
    </div>
     </swiper-slide>
    </swiper>
  </div>
</template>
<script>
export default {
  name:'HomeIcons',
  props:{
    list:Array
  },
  data(){
    return{
      swiperOption:{
        autoPlay:false
      }
    }
  },
  computed:{
    pages (){
      const pages=[]
      this.list.forEach((item,index)=>{
        const page = Math.floor(index / 8)
        if(!pages[page]){
          pages[page]=[]
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style>
  .icons{
   margin-top: .1rem;
  }
  .swiper-container{
    height: 0;
    padding-bottom: 50%;
  }
  .icon{
    position: relative;
    overflow: hidden;
    width: 25%;
    height: 0;
    float: left;
    padding-bottom:25%;
  }
  .icon-img{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: .44rem;
    box-sizing: border-box;
    padding: .1rem;
  }
  .icon-img-content{
    display: block;
    margin: 0 auto;
      height: 100%;
  }
  .icon-desc{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: .44rem;
    line-height: .44rem;
    color: #333;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
</style>

